JP4003246B2 - ビデオカメラ装置 - Google Patents

ビデオカメラ装置 Download PDF

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Publication number
JP4003246B2
JP4003246B2 JP06835697A JP6835697A JP4003246B2 JP 4003246 B2 JP4003246 B2 JP 4003246B2 JP 06835697 A JP06835697 A JP 06835697A JP 6835697 A JP6835697 A JP 6835697A JP 4003246 B2 JP4003246 B2 JP 4003246B2
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JP
Japan
Prior art keywords
information
pixel
pseudo
white balance
color
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP06835697A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10271518A5 (enExample
JPH10271518A (ja
Inventor
淳 喜多村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP06835697A priority Critical patent/JP4003246B2/ja
Priority to TW087102415A priority patent/TW373412B/zh
Priority to US09/035,425 priority patent/US6747704B1/en
Priority to KR10-1998-0009809A priority patent/KR100504974B1/ko
Publication of JPH10271518A publication Critical patent/JPH10271518A/ja
Publication of JPH10271518A5 publication Critical patent/JPH10271518A5/ja
Application granted granted Critical
Publication of JP4003246B2 publication Critical patent/JP4003246B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/71—Circuitry for evaluating the brightness variation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
    • H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
    • H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
    • H04N25/134—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on three different wavelength filter elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Color Television Image Signal Generators (AREA)
JP06835697A 1997-03-21 1997-03-21 ビデオカメラ装置 Expired - Fee Related JP4003246B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP06835697A JP4003246B2 (ja) 1997-03-21 1997-03-21 ビデオカメラ装置
TW087102415A TW373412B (en) 1997-03-21 1998-02-20 Video camera apparatus capable of simply extracting brightness information used in auto-iris control
US09/035,425 US6747704B1 (en) 1997-03-21 1998-03-05 Video camera apparatus capable of simply extracting brightness information used in auto-iris control
KR10-1998-0009809A KR100504974B1 (ko) 1997-03-21 1998-03-21 자동-아이리스제어에사용되는브라이트니스정보를용이하게추출가능한비디오카메라장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP06835697A JP4003246B2 (ja) 1997-03-21 1997-03-21 ビデオカメラ装置

Publications (3)

Publication Number Publication Date
JPH10271518A JPH10271518A (ja) 1998-10-09
JPH10271518A5 JPH10271518A5 (enExample) 2004-09-16
JP4003246B2 true JP4003246B2 (ja) 2007-11-07

Family

ID=13371458

Family Applications (1)

Application Number Title Priority Date Filing Date
JP06835697A Expired - Fee Related JP4003246B2 (ja) 1997-03-21 1997-03-21 ビデオカメラ装置

Country Status (4)

Country Link
US (1) US6747704B1 (enExample)
JP (1) JP4003246B2 (enExample)
KR (1) KR100504974B1 (enExample)
TW (1) TW373412B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6750906B1 (en) * 1998-05-08 2004-06-15 Cirrus Logic, Inc. Histogram-based automatic gain control method and system for video applications
JP3902492B2 (ja) * 2002-03-13 2007-04-04 株式会社リコー 撮像装置
JP3824225B2 (ja) * 2002-10-04 2006-09-20 ソニー株式会社 デジタルカメラ
JP4260003B2 (ja) * 2003-12-26 2009-04-30 三洋電機株式会社 電子カメラ
US20100225779A1 (en) * 2009-03-06 2010-09-09 Nokia Corporation Method and Device to extend camera battery life
KR101806289B1 (ko) * 2011-11-14 2017-12-07 삼성전자주식회사 촬상 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4998162A (en) 1988-08-22 1991-03-05 Sony Corporation Video camera
EP0409161B1 (en) * 1989-07-18 2000-10-11 Fuji Photo Film Co., Ltd. Method and apparatus for controlling exposure changes of a video camera
JP3271196B2 (ja) * 1992-06-12 2002-04-02 ソニー株式会社 ビデオカメラ
JP3216022B2 (ja) * 1992-09-14 2001-10-09 キヤノン株式会社 撮像装置

Also Published As

Publication number Publication date
US6747704B1 (en) 2004-06-08
TW373412B (en) 1999-11-01
KR19980080516A (ko) 1998-11-25
KR100504974B1 (ko) 2005-11-08
JPH10271518A (ja) 1998-10-09

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